In a survey of 6000 women, 3431 say they change their nail polish once a week. Construct a 99% confidence interval for the population proportion of women who change their nail polish once a week.

Q: Out of 300 people sampled, 156 had kids. Based on this construct a 90% confidence interval for the…

A: X = 156 N = 300

Q: Of 125 adults selected randomly from one town, 28 of them smoke. Construct a 99% confidence interval…

A: It is given that out of 125 adults in one town, 28 of them smoke. That is the value of n is 125 and…

Q: In a survey of 1250 U.S. adults, 363 said that their favorite sport to watch is football. The 95%…

A:

Q: A survey of 700 non-fatal accidents showed that 167 involved uninsured drivers. Construct a 99%…

A: Given data,n=700x=167Point estimate isp=xn=167700=0.2386Construct a 99% confidence interval?

Q: Out of a sample of 500 high school students, 376 said they would prefer to have computers in every…

A: Let X be the number of students who prefer to have computers in every classroom. X here will be a…

Q: When Mendel conducted his famous genetics experiments with peas, one sample of offspring consisted…

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Q: Find a 95% confidence interval

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Q: confidence interval for the proportion of unemployed adults who have been unemployed for more than…

A: Here given  In a survey of 532 unemployed adults, 225 said that they had been unemployed for more…

Q: In a survey of 1005 adults 526 stated construct a 95% confidence interval

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Q: A sample of 500 nursing applicants included 80 men.  Determine the 95% confidence interval for the…

A:

Q: Out of 600 people sampled, 312 had kids. Based on this, construct a 95% confidence interval for the…

A: In question,  Given that Out of 600 people sampled, 312 had kids. Then we'll construct the 95%…

Q: When Mendel conducted his famous genetics experiments with peas, one sample of offspring consisted…

A:

Q: A survey of 499 women for the American Orthopedic Foot and Ankle Society revealed that %37 wear…

A: Given : p = 0.37 q = 1 - p   = 1 - 0.37   = 0.63 n = 499

Q: A random variance survey of 495 adults found that 59 had diabetes. which of the following is a 98%…

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Q: In a survey of 4061 ​adults, 738 say they have seen a ghost. Construct a​ 99% confidence interval…

A: In this question, it has been given that 738 people out of 4061 people have seen the ghost, we have…

Q: Out of 300 people sampled, 171 had kids. Based on this, construct a 95% confidence interval for the…

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Q: 95% confidence interval for the proportion of adults in the United States who say that their…

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Q: In a survey of 2298 ​adults, 709 say they believe in UFOs. Construct a 95% confidence interval for…

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Q: In a random sample of 532 individuals, 78% stated they needed a laptop in order to work from home.…

A: Given that  n=532 , p=78%=0.78 99% confidence level

Q: Out of 100 people sampled, 44 have lied to a family member in the past month. Based on this,…

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Q: Out of 300 people sampled, 279 had kids. Based on this, construct a 90% confidence interval for the…

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Q: Out of 6,000 people, 4,500 said they spend over 20 hours per week on their phones. Construct a 75%…

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Q: In a recent survey of 500 teenagers, 18.6% indicated that they had eaten junk food while watching TV…

A: Given Data: p^=0.186n=500

Q: In a random sample of 600 adults, 270 described themselves as vegetarians. Construct a 99%…

A: In a random sample of 600 adults, 270 described themselves as vegetarians.

Q: A survey of 280 homeless persons showed that 63 were veterans. Construct a 90% confidence interval…

A: Number of people took part in survey, n = 280 Number of veterans =63 The probability of homeless…

Q: In a survey participated by 100 college students, it was found out that 60% of them have personal…

A: We have to find confidence interval...

Q: Out of 100 people sampled, 54 had kids. Based on this, construct a 90 % confidence interval for the…

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Q: In a survey of 2312 adults, 748 say they believe in UFOS. Construct a 99% confidence interval for…

A: Given that the sample size is n = 2312, And the number of adults who believe in UFOs, X = 748 At 99%…

Q: The pizza Shop wanted to determine what proportion of its customers ordered an only cheese pizza.…

A:

Q: In a survey of 2291 ​adults, 708 say they believe in UFOs.   Construct a 90% confidence interval for…

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Q: Based on a sample of 1000 adult Americans, USA Today reported that 840 of them preferred cheese on…

A: Given that on a sample of 1000 adult Americans, USA Today reported that 840 of them preferred…

Q: Out of 400 people sampled, 276 had kids. Based on this, construct a 90% confidence interval for the…

A: For 90% confidence intervalα=1-CI=1-0.90=0.10So, zα2=z0.102=z0.05=1.645

Q: In survey of 7000 women, 4431 says they change their nail polish once a week. Construct a 95%…

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Q: In a survey of 1219 U.S. adults, 354 said that their favorite sport to watch is football. Construct…

A: According to the given information, we have Total number of U.S. adults = 1219 354 said that their…

Q: 6) When 415 college students were surveyed, 175 said they own their car. Construct a 95% confidence…

A: Given, The sample proportion is, Critical value: Using z-table, the z-critical value at the given…

Q: Out of 600 people sampled, 402 had kids. Based on this, construct a 95% confidence interval for the…

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Q: of 101 randomly selected mothers, 17% indicated that they pay for private preschool, what is the 99%…

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Q: A local health centre noted that in a sample of 400 patients, 80 were referred to them by the loca…

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Q: In a survey of 500 women, 120 said that Valentine’s Day was their favorite occasion to receive…

A: Step-by-step procedure to obtain the value of z using MINITAB:Choose Graph > Probability…

Q: When Mendel conducted his famous genetics experiments with peas, one sample of offspring consisted…

A: a. The sample proportion of yellow peas is, Thus, the sample proportion of yellow peas is 0.262.

Q: A random sample of high school seniors were asked whether they were applying for college. The…

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Q: When 500 college students were surveyed, 30% said that they own their car. Construct a 95%…

A: Here we want to find the 95% confidence interval.

Q: Out of 3064 respondants, 919 of them said they have a dog. Using this data, compute a 95% confidence…

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Q: f a Random Sample of 450 adults includes 155 who identify as happy, compute an 80% confidence…

A: Given data,n=450x=155sample proportion p=xn=155450=0.34z-value at 80% confidence is Zc=1.282

Q: Of 130 adults selected randomly from one town, 25 of them smoke. Construct a 99% confidence interval…

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Q: Of 375 randomly selected students, 30 said that they planned to work in a rural community. Find 95%…

A: Using z ditribution to construct the interval.

Q: Out of 600 people sampled, 192 had kids. Based on this, construct a 90% confidence interval for the…

A: Given that,  x=192,n=600 The sample proportion is, Critical values: By using the standard normal…

Q: Out of a sample of 760 people, 367 own their homes. Construct a 95% confidence interval for the…

A:

Q: In a survey of 2273 ​adults, 728 say they believe in UFOs.   Construct a 99% confidence interval for…

A: Given Information: Sample size (n) = 2273 Out of which X = 728 adults say they believe in UFOs. To…

Q: The Pizza Shop wanted to determine what proportion of its customers ordered an only cheese pizza.…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.